单项选择题
A.K-MeansB.Centroid MethodC.Ward’s MethodD.以上皆非
A.d(i,j)=(r+s)/(q+r+s)B.d(i,j)=(r+s)/(r+s+t)C.d(i,j)=(r+s)/(q+s+t)D.d(i,j)=(r+s)/(q+r+s+t)
A.0.66B.1.33C.2.33D.1.66